Lung
Interstitial lung diseases
Lipoid pneumonia
Author: Nat Pernick, M.D.
Last author update: 1 September 2011
Last staff update: 12 December 2024 (update in progress)
Copyright: 2002-2024, PathologyOutlines.com, Inc.
PubMed search: lipoid pneumonia [title]
Table of Contents
Definition / general | Case reports | Gross description | Gross images | Microscopic (histologic) description | Microscopic (histologic) imagesCite this page: Pernick N. Lipoid pneumonia. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/lungnontumorlipoidpneumonia.html. Accessed December 22nd, 2024.
Definition / general
- Usually incidental post mortem finding associated with debilitating disease
- Lipid either exogenous (from nasal sprays or inhalation of other lipid containing substances) or endogenous (bronchial obstruction)
Case reports
- 1 year old man with recent history of meningitis with recurrent episodes of pneumonia (Case of the Week #287)
Gross description
- Well circumscribed, firm with prominent lymphatics on lung surface in exogenous type
Gross images
Images hosted on other servers:
Yellow cut surface
Microscopic (histologic) description
- Lipoid material (or empty spaces), inflammatory cells and young fibroblasts
- Reactive endarteritis, marked alveolar lining cell hyperplasia and lipid laden foamy macrophages
Microscopic (histologic) images
Case #287
Images hosted on other servers:
Aspiration pneumonia
Foamy macrophages in alveolar spaces
